Software Development Forum

Please tell me why I am getting a "bad operand type" I'm trying to to do a comparison on a range of value. Please help me fix. if (-13683360 <= rgb <= -13683381)

Hello everyone, I need some help, I would like to merge two cells together within a row only (e.g) in a CSV file using python. So far, I have 4 columns in the file, but now I would like to merge two cells in one, but I don't have any …

Hi all, I'm working on a (Python) program which, in short, is a threaded TCP socket server which creates a new "tab" in a wx.Notebook widget for every incoming connection it sees. I've run into a strange problem where when I call notebook.AddPage(...), one of three things happens: 1. A …

#include <iostream> #include <stdlib.h> //For system() #include <conio.h> //For getche() #include <time.h> using namespace std; //You can modify these numbers but don't delete these constants or this starting code will not work const int MAX_HEIGHT = 20; //The height of the grid const int MAX_WIDTH = 40; //The width of …

Hi guys I'm here again asking for help Can someone can gave me an idea about how to find all data in my first listview to another?  Here is the picture. You see their are a column name AM in my first Listview and in the second their …

How to find which operating system is running the PC in C++?

Can someone help me to make program which find duplicate files in C++? Thanks a lot!

Is it possible to make a cleaner like CCLeaner in VB.NET? If so, could anyone give me some hints or anything to start from? Thanks!

Hello, I need help with YouTube MP3 Downloader in VB.NET if anyone can send me source, I'll be very thankful! Thanks in advance.

Hi, This is prity basic question but I am a little stuck with it. I have a class with a member variable in it. There are three files, say a, b and c. in file b.cpp - class b { public: ----- ----- int i; } in file c.cpp - …

hi :) is there a possible way where in we can combine two rows for an example i have this code: #include <iostream> #include <fstream> #include <string> using namespace std; int main() { ofstream outfile; outfile.open("1stRow.txt"); for(int i=1;i<10;i++) outfile<<i<<endl; outfile.close(); ofstream outfile2; outfile2.open("2ndRow.txt"); for(int j=2;j<11;j++) outfile2<<j<<endl; outfile2.close(); //return 0; } …

how to include c++ dll in a windows application created in c#?

I'm learning to get used to the pointers in C and I have a question about them that I coudln't understand. Anyways, why this code gives segmentation fault? void print_arr(const char *p_array[]){ int index; for(index = 0; p_array[index] != 0; index++) printf("%s\n", *p_array[index]); } while the one without a '*' …

Hi, I'm studying for a final exam and I just wanted to ask if you could be so kind to explain how you get these answers from these questions. I'm really confused on them. Thanks! 1) What is the output of the following program? def f(x, y): if y == …

Hello, I am trying to declare a 2D List Globally. I beleive I miss something out in my declaration. It seems that I can declare the list. But when I try to add 1 dimension to the list, it only accepts: "new Requests.GlobalVariables.list2()" when it should be: new Requests.GlobalVariables.list1() I …

Hello, How to add multiple data in mySQL 5.1 using vb.net 2008? Do it needs an array?

Hello. I wonder if anyone can tell me something about calling the external dll file from delphi. I have a main form, which has the procedures locating the dll file, and then I have about 30 other forms, in which I use these commands. Now my question is, is it …

Hi, I'm new in VB.NET and I'm having trouble with creating a **public sqlconnection** in a VB Module. I have declared **conn** as public sqlconnection but when I use it to the other forms its value is equal to "**nothing**". I hope you can enlighten me here. thanks in advance. …

Hi everyone I have a final exam for my Java class tomorrow and wondering if anyone could tell me if my answers are right? The questions are True/False. Thank you all! 1. True/False — An interface may only contain method headers. 2. True/False — An interface may not contain instance …

I have an anagram program that if you type in a word's characters in any order, the dictionary file will be able to export it. However, my assignment is to build words that are shorter than the inputted search area in a one-to-one letter correspondance. An example of this would …

Hey guys does anyone here knows what is the code for inserting the current day in a form? I'm creating an Employee Monitoring System. I have here a part of the codes of my program Private Sub Command1_Click() If Text1.Text = "2036251" Then Adodc1.RecordSource = "select * from Table4 where …

I was given a programming exercise which calls to: "Write a program to create a file named Exercise09_19.txt if it does not exist. Write 100 integers created randomly into the file using text I/O. Integers are separated by spaces in the file. Read the date back from the file and …

I am supposed to create a file that will generate 100 random numbers and then sort them. I am stuck on the sorting. I think it would be a really simple solution but i cant seem to figure it out. I have tried the arrays utility and creating a method …

This is "part" of my code Imports System Imports System.IO Imports System.Text Public Class Form2 Public fo1 As String Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim path As String = Directory.GetCurrentDirectory() & "\test.txt" If File.Exists(path) Then My.Computer.FileSystem.WriteAllText(path, fo1, True) Else Dim fs As FileStream …

i have a listview in a form that contains a name like "Aileen-EB" , "FEMA-EB" , "CARMEN-EB7" , "TONETTE-A" something like that I need to get them and put it on a Dim AccountName as String I use if statement but i want my code to be like this For …

The problem is explained by the comments in the code. It is a fundamental question about the method call...every time I try text_box_name.tk_textBackspace() I get the TclError message. That's why I asked the question without the code... # When user enters a search word in the +search_box' text widget and …

Hi all I have the folowing to calculate the Number of weeks between two dates. The OpenDate= Nov-1-12 and closingDate= Nov-29-12. When Executing the the NumberOfWeeks=3 If I go to the calander 4 weeks why is the NumberOfWeeks=3 NumberOfWeeks = DateDiff(DateInterval.Weekday, OpenDate, ClosingDate) Thanks In Advance.

Just a thought that woke me up this morning. A means of providing 'property' type constructs in C++ classes similar to python properties. # Header # #ifndef _HXX_CPROP #define _HXX_CPROP /** * Helper class to connect a 'property' in a * c++ class to getter/setter methods * */ template<class T, …

Hello everyone! It has been quite sometime since I was on Daniweb, and a lot has changed. Anyway, I have decided to "fix" my old Java school ISU and make it better. (I am not in school so don't worry, I'm not cheating.) Here is my problem: I want a …

need to design a code for my first assignment in dev c++ for olmypic judging, 5 judges, 10 competitors, need to score each competitor between 0.0 and 5.0. i cant use the highest score for each competitor or the lowest and must average the remaining results. any help? i have …

Hello, i have my naughts and crosses code as pasted below. Can someone help me with code to recognise if the game has come to a draw and recognising any invalid moves. Row1 = [" "," "," "] Row2 = [" "," "," "] Row3 = [" "," "," "] …

Okay, so my hurdle here is to Serialize a list that has a bunch of objects in them, write them to a file, and be able to open the file to load the list of objects back into a listbox. I've read the MSDN articles and browsed some Forums, but …

Hi there, I have an array of unsigned chars SOURCE, i need to combine into DESTINATION, i want to turn: SOURCE[0] = 3 SOURCE[1] = 9 SOURCE[2] = ' ' SOURCE[3] = 0 SOURCE[4] = 4 SOURCE[5] = ' ' SOURCE[6] = 7 SOURCE[7] = d into DESTINATION[0] = 39 …

mov eax,'ZYXW' Now there are 3 problems. in Hexa W=57,X=58,Y=59,Z=5a Debugger shows this as 1515804759 in Decimal. that is when 5958595a taken as a whole. why doesn't it show 87888990 like when they are take separately? 2. Why is it shown as 5a,59,58,57 rather than 57,58........ ? (because W=57 which …

final Handler myHandler = new Handler(){ @Override public void handleMessage(Message msg) { updateUI((String)msg.obj); } }; Would someone please let me know what the curly brace '{' and its contents mean in this context? what is the purpose?

Visual Basic.Net: I have a DataGridView in Last Name sequence. Is it possible to when a user types the first letter of a last name that it displays all rows with last names that start with that letter. When he types the second letter, it displays all records whose last …

I have made a application X1 with Visual Studio 2008 (visual basic) .NET Framework 3.5 and deployed on Windows 7 desktop System. Works fine. The Same application X1 i have now made with Visual Studio 2012 (visual basic) .NET Framework 4.5. What must i do to ensure that the application …

Hey, Im looking for the cleanest way to scan through a text file and remove symbols only if they meet certain conditions. So far i have been using the Scanner, but it removes them regardless and i was looking for the best way of providing conditions like those for comments …

Hi Can I get some assistance with the following Code: Letter = raw_input("Enter Letter") A = 7 B = 8 C = 9 print Letter I have left the basic info but if the Letter A is entered in the print Letter it results A, I want it to give …

hi, im new in vb6 how to search in datagrid where every keyword you type wil display the record found in database? here's my code in saving pls ned help here....this is our thesis God Bless>thanks. Sub search() 'search if student is registered then With ado .ConnectionString = connectdb .RecordSource …

so I am new to python and I am trying to generate a 100 numbers from 0 to 10 and find out how many times a three appears. I'm not sure exactly how to get it to work. I basically just want to be able to count how many times …

Okay so the break down. I have a simple application. You can create a new vehicle, either a car, sports car, truck, or minivan. That object is then loaded into a listbox. Each one has 4 methods that display the message box (Start, Drive, Park, Wash). So if I create …

Hi, Below is my code Socket CSocket,SSocket; sin_ad.sin_family = AF_INET;//sin.sin_family = PF_INET; sin_ad.sin_port = htons((u_short)m_Port); sin_ad.sin_addr.s_addr = INADDR_ANY; int s_len = sizeof(sin_ad); CSocket = accept(SSocket,(struct sockaddr *)&sin_ad, &s_len); ****if (ioctlsocket(CSocket, FIONBIO, &iMode))//iMode is ulong set to 1. { idc_txtbox.put_SelText("Unblocking of Socket failed"); closesocket(ServerSocket); WSACleanup(); }** if (CSocket == INVALID_SOCKET) { …

1.If cin and cout objects are in the 'iostream' , why do we need to declare it again using 'std' ? 2.are cout,cin,cerr,clog the only ones in the iostream? 3.under which categories do cin,cout and iostream fall? (library,object etc..) 4.can we use the same iostream for both linux and windows? …

I'm returning to college after a 21-year absence and am starting fresh in a science stream. My first course in January will be the introductory Python course. In the meantime, I'm doing the Codeacademy tutorials and have completed the basic ones on variables, strings, comments, conditionals, some functions, and a …

So I managed to get everything working right except for one thing, when I enter the following input: a = 2 b = 2 c = 2 I should be getting this: Root 1 = -0.5 + 0.866025i Root 2 = -0.5 - 0.866025i But I get this: Root 1 …

Hi there, How do we differentiate between NULL and zero in C++. I have a program in which i assign NULL to num variable but if i apply if condition to check whether it is NULL or zero. Program still gives me result zero. //num = 0; num = NULL; …

Hi everyone, I am stuck in writing Bank Account program. I want that if user wants to create an account, BankAccount class object is created. Then after this i call to its methods such as getBalance() to get the balance in the account. But its not working and I am …

How can I control the position of text in a label? Thank you

hi I'm trying to sort 3 numbers from lowest to highest that the user enters...ex ...2 , 4, 6. I have a problem with finding(calculating the middle) number. this is what i have [CODE]//create a Scanner Scanner scanner = new Scanner(System.in); //Prompt the user to enter three floating-point numbers System.out.println("Please …